Data Analysis and Visualization in R for Public Health: Glossary

First key point. Brief Answer to questions. (FIXME)

Use RStudio to write and run R programs.

R has the usual arithmetic operators and mathematical functions.

Use <- to assign values to variables.

Use ls() to list the variables in a program.

Use rm() to delete objects in a program.

Use install.packages() to install packages (libraries).

Use RStudio to write and run R programs.

R has the usual arithmetic operators and mathematical functions.

Use c() to construct a vector

Use <- to assign values to variables.

Use ls() to list the variables in a program.

Use rm() to delete objects in a program.

Use install.packages() to install packages (libraries).

Learn to use read.* and related functions

Learn to use str()

Use colnames() to see a list of column names

Use merge() to stack data

Use merge() to join data

Understand joins

Use select() to create a subset of a data frame based on columns

Use rename() to rename columns

Use filter() to filter rows

Use hist() to view a histogram

Use boxplot()

Use plot() to create an X-Y scatterplot

Use table() to calculate frequencies

Use … something to calculate % frequencies

Use barplot()

Use stargazer package to make beautiful tables

Use R functions to export data (in different formats?)

Use table() to look at frequencies

Get a count …

Need these

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